Navajo Nation Science Fair shows off students projects
Fourth-grader Natanii Yazzie, center, is entranced by a vortex of fluid shaken by Cameron Teller, left, for a "Liquid Tornado" science project at the Navajo Nation Science Fair in Window Rock on Tuesday.  © 2010 Gallup Independent / Adron Gardner

By Dalina Castellanos
Diné Bureau

WINDOW ROCK — Alana Yazzie sat on the floor playing with her play dough Tuesday, running a red ball of clay over her tiny hands. But the play dough didn’t come from a store, it came from her kitchen.

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